Installing apps on one Windows 8.1 device seems to install them on all other Windows 8.1 devices by default. Not sure if that's wise.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Installing apps on one Windows 8.1 device seems to install them on all other Windows 8.1 devices by default. Not sure if that's wise.